var imageFiles_td_1 = new Array();
imageFiles_td_1['0'] = new Array ('_images/td_BALBOA.gif', '_images/td_BALBOAMouseover.gif');

function image_on_td_1 (position) {
   var doc = eval("document.imagetd_1" + position);
   doc.src = imageFiles_td_1[position][1];
}

function image_off_td_1 (position) {
   var doc = eval("document.imagetd_1" + position);
   doc.src = imageFiles_td_1[position][0];
}